About: http://webisa.webdatacommons.org/181974936

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Normally It takes 3-15 days to make a sample especially the samples are tailor made. 0.5M2 samples is free.
http://www.w3.org/ns/prov#wasQuotedFrom	alibaba.com